# File lib/facter/util/ec2.rb, line 41
    def has_ec2_arp?
      Facter.warnonce("#{self}.#{__method__} is deprecated; see the Facter::EC2 classes instead")
      kernel = Facter.value(:kernel)

      mac_address_re = case kernel
                       when /Windows/i
                         /fe-ff-ff-ff-ff-ff/i
                       else
                         /fe:ff:ff:ff:ff:ff/i
                       end

      arp_command = case kernel
                    when /Windows/i, /SunOS/i
                      "arp -a"
                    else
                      "arp -an"
                    end

      if arp_table = Facter::Core::Execution.exec(arp_command)
        return true if arp_table.match(mac_address_re)
      end
      return false
    end